/* ============================================================
   SKILLS.CSS — Section "Stack technique" — Version Premium
   ============================================================ */

.skills-section {
  background-color: var(--bg-primary);
}

/* ── Grille des catégories ───────────────────────────────── */
/*
   Layout desktop :
   ┌─────────────────────────────────────┐
   │     Infrastructure & Cloud (full)   │
   ├──────────────────┬──────────────────┤
   │  Scripting & Auto│  Software & Back │
   ├──────────────────┴──────────────────┤
   │       Data & Outils (full)          │
   └─────────────────────────────────────┘
*/
.skills-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

/* Card 1 — Infrastructure : pleine largeur */
.skill-category-block:nth-child(1) {
  grid-column: 1 / -1;
}

/* Cards 2 et 3 — côte à côte */
.skill-category-block:nth-child(2) {
  grid-column: 1 / 2;
}

.skill-category-block:nth-child(3) {
  grid-column: 2 / 3;
}

/* Card 4 — Data & Outils : pleine largeur */
.skill-category-block:nth-child(4) {
  grid-column: 1 / -1;
}

/* ── Card de catégorie ───────────────────────────────────── */
.skill-category-block {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;

  /* Reveal scroll */
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity       0.55s ease,
    transform     0.55s ease,
    border-color  var(--transition-base),
    box-shadow    var(--transition-base);
}

.skill-category-block.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-category-block:nth-child(1) { transition-delay: 0ms;   }
.skill-category-block:nth-child(2) { transition-delay: 130ms; }
.skill-category-block:nth-child(3) { transition-delay: 260ms; }
.skill-category-block:nth-child(4) { transition-delay: 390ms; }

/* Hover card */
.skill-category-block:hover {
  border-color: rgba(100, 255, 218, 0.25);
  box-shadow:
    0 0 0 1px rgba(100, 255, 218, 0.06),
    0 16px 48px rgba(0, 0, 0, 0.55),
    0 0 40px rgba(100, 255, 218, 0.04);
  transform: translateY(-4px);
}

/* Liseré dégradé haut de card */
.skill-category-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--accent-cyan) 40%,
    var(--accent-blue) 70%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.skill-category-block:hover::before {
  opacity: 1;
}

/* Spotlight radial (suit le curseur via JS) */
.skill-category-block::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    600px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(100, 255, 218, 0.04),
    transparent 60%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
  z-index: 0;
}

.skill-category-block:hover::after {
  opacity: 1;
}

/* Contenu au-dessus du spotlight */
.skill-category-header,
.skills-grid {
  position: relative;
  z-index: 1;
}

/* ── En-tête de catégorie ────────────────────────────────── */
.skill-category-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--border-subtle);
}

.skill-category-icon {
  font-size: 1.5rem;
  line-height: 1;
  transition: transform var(--transition-spring);
}

.skill-category-block:hover .skill-category-icon {
  transform: rotate(10deg) scale(1.2);
}

.skill-category-name {
  font-family: var(--font-sans);
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  color: var(--text-white);
  margin: 0;
  flex: 1;
}

.skill-category-desc {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  margin-top: 2px;
  display: block;
}

.skill-category-count {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent-cyan);
  background: rgba(100, 255, 218, 0.07);
  border: 1px solid rgba(100, 255, 218, 0.15);
  border-radius: var(--radius-full);
  padding: 2px 10px;
  white-space: nowrap;
}

/* ── Grille de badges ────────────────────────────────────── */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ── Badge de techno — style Premium ────────────────────── */
.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  cursor: default;
  position: relative;
  overflow: hidden;

  transition:
    color            var(--transition-fast),
    border-color     var(--transition-fast),
    background-color var(--transition-fast),
    transform        var(--transition-spring),
    box-shadow       var(--transition-fast);
}

/* Micro-reflet en haut du badge */
.skill-badge::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 40%;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent);
  pointer-events: none;
}

/* Hover universel */
a.skill-badge:hover,
a.skill-badge:focus-visible {
  color: #ffffff;
  border-color: var(--accent-cyan);
  background-color: rgba(100, 255, 218, 0.07);
  transform: scale(1.06) translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(100, 255, 218, 0.15),
    0 6px 20px rgba(100, 255, 218, 0.12);
  cursor: pointer;
}

/* ── Icône dans le badge ─────────────────────────────────── */
.skill-badge i {
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
  color: var(--icon-color, var(--text-muted));
  transition:
    color      var(--transition-fast),
    transform  var(--transition-spring),
    filter     var(--transition-fast);
}

/* Au hover → icône grossit et brille */
a.skill-badge:hover i {
  color: var(--icon-color, var(--accent-cyan));
  transform: scale(1.2);
  filter: drop-shadow(0 0 5px var(--icon-color, var(--accent-cyan)));
}

/* ── Badge "en cours" ────────────────────────────────────── */
.skill-badge.is-learning {
  border-style: dashed;
  border-color: rgba(155, 89, 182, 0.3);
  color: var(--text-muted);
  opacity: 0.75;
}

.skill-badge.is-learning::after {
  content: 'learning';
  font-size: 9px;
  color: var(--accent-purple);
  background: rgba(155, 89, 182, 0.1);
  border: 1px solid rgba(155, 89, 182, 0.2);
  border-radius: var(--radius-full);
  padding: 0 5px;
  line-height: 1.6;
  margin-left: var(--space-1);
}

/* ── Responsive ──────────────────────────────────────────── */

/* Tablette — layout inchangé, juste un peu moins de padding */
@media (max-width: 900px) {
  .skill-category-block {
    padding: var(--space-6);
  }
}

/* Mobile — 1 colonne, tous les placements annulés */
@media (max-width: 640px) {
  .skills-container {
    grid-template-columns: 1fr;
  }

  .skill-category-block:nth-child(1),
  .skill-category-block:nth-child(2),
  .skill-category-block:nth-child(3),
  .skill-category-block:nth-child(4) {
    grid-column: 1;
  }

  .skill-category-block {
    padding: var(--space-5);
  }

  .skills-grid {
    gap: var(--space-2);
  }

  .skill-badge {
    padding: 0.4rem 0.75rem;
    font-size: 0.7rem;
  }

  .skill-category-count {
    display: none;
  }
}